Journal ArticleDOI
Effect of the diffuser efficiency on wind turbine performance
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TLDR
In this paper, a new formulation for the far-wake velocity is proposed, which extends Blade Element Theory to include the diffuser efficiency in the axial velocity formulation, which in turn modifies the thrust and power.About:
This article is published in Renewable Energy.The article was published on 2018-10-01. It has received 39 citations till now. The article focuses on the topics: Diffuser (thermodynamics) & Thrust.read more
Citations
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Journal ArticleDOI
Diffuser augmented wind turbines: Review and assessment of theoretical models
R. Bontempo,Marcello Manna +1 more
TL;DR: A thorough critical-analysis and review of the most important theoretical models conceived for the performance analysis and design of this wind-concentrator system points out the main limitations, shortcomings and open-issues associated with theoretical models, paving the way for future research lines and improvements of this kind of models.
Journal ArticleDOI
On the potential of the ideal diffuser augmented wind turbine: an investigation by means of a momentum theory approach and of a free-wake ring-vortex actuator disk model
R. Bontempo,Marcello Manna +1 more
TL;DR: In this article, the authors investigated the potential of ideal diffuser-augmented wind-turbines using a newly developed Axial-Momentum-Theory approach, and an extended version of a free-wake ring-vortex actuator-disk model.
Journal ArticleDOI
Performance analysis of the deflector integrated cross axis wind turbine
Wen Tong Chong,W.K. Muzammil,W.K. Muzammil,Hwai Chyuan Ong,Kamaruzzaman Sopian,Mohammed Gwani,Ahmad Fazlizan,S.C. Poh +7 more
TL;DR: In this paper, a novel design of deflector integrated cross axis wind turbine (CAWT) is proposed to harness wind energy from both the horizontal and vertical components of the skewed flow induced by the deflectors.
Journal ArticleDOI
A review on computational fluid dynamics modeling and simulation of horizontal axis hydrokinetic turbines
TL;DR: In this article, the advances made over the last 10-15 years regarding the three-dimensional computational fluid dynamics modeling and simulation of this type of turbines are reviewed and a review will encourage new computational investigations about hydrokinetic turbines that contribute to their continuous improvement, development and implementation aimed to sustainable use of water resources and addressed to solve the problem of lack of electricity supply in small, isolated populations.
Journal ArticleDOI
An approach for the optimization of diffuser-augmented hydrokinetic blades free of cavitation
TL;DR: In this article, an extension of Vaz & Wood's optimization in order to take into account the influence of the diffuser speed-up ratio regarding cavitation effect is presented.
References
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Book
An Introduction to Fluid Dynamics
TL;DR: The dynamique des : fluides Reference Record created on 2005-11-18 is updated on 2016-08-08 and shows improvements in the quality of the data over the past decade.
Book
Aerodynamics of Wind Turbines
TL;DR: In this article, the authors present a detailed review of the aerodynamics of wind turbines with respect to structural dynamics and control, including a new control chapter that includes details on how to design a classical pitch and torque regulator to control rotational speed and power.
ReportDOI
AeroDyn Theory Manual
Patrick Moriarty,A. C. Hansen +1 more
TL;DR: AeroDyn as discussed by the authors is a set of routines used in conjunction with an aeroelastic simulation code to predict the aerodynamics of horizontal axis wind turbines, including the effect of wind turbine wakes.
Book
Wind turbine technology : fundamental concepts of wind turbine engineering
TL;DR: In this article, a state-of-the-art guide to wind turbine engineering can be found to examine real-life choices made by inventors, designers, and builders of turbines; absorb their practical lessons; and synthesize the experiences of a wide range of wind energy professionals.
Book ChapterDOI
Applied Aerodynamics of Wind Power Machines
TL;DR: In this paper, the aerodynamic performance of wind power machines is discussed. And the advantages and disadvantages of various schemes for obtaining power from the wind are discussed, including the Madaras rotor, the Darrieus rotor and the Savonius rotor.
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Effects of the duct thrust on the performance of ducted wind turbines
R. Bontempo,Marcello Manna +1 more